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Finding the Fourth Proportional to 5,803.37, 8,705.07 and 1,420.82

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Solution

The fourth proportional to 5,803.37, 8,705.07 and 1,420.82 is: 2,131.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,803.37 : 8,705.07 = 1,420.82 : x
  2. Step 2: Convert to fraction form
    5,803.37/8,705.07 = 1,420.82/x
  3. Step 3: Cross multiply
    5,803.37x = 8,705.07 × 1,420.82
  4. Step 4: Simplify right side
    5,803.37x = 12,368,359.32
  5. Step 5: Solve for x
    x = 12,368,359.32/5,803.37
  6. Step 6: Final answer
    x = 2,131.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.